## Conformal techniques in String theory and String field theory

- E.
- Phys . Reports
- 1988

@inproceedings{Nag1992OpenSD, title={Open String Diagrams I : Topological Type}, author={Subhashis Nag and P. G. Sankaran}, year={1992} }

- Published 1992

An arbitrary Feynman graph for string field theory interactions is analysed and the homeomorphism type of the corresponding world sheet surface is completely determined even in the non-orientable cases. Algorithms are found to mechanically compute the topological characteristics of the resulting surface from the structure of the signed oriented graph… CONTINUE READING

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